671341396 has 18 divisors (see below), whose sum is σ = 1291362170. Its totient is φ = 305154960.

The previous prime is 671341379. The next prime is 671341397. The reversal of 671341396 is 693143176.

It can be written as a sum of positive squares in only one way, i.e., 518472900 + 152868496 = 22770^2 + 12364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671341397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693051 + ... + 694018.

Almost surely, 2^671341396 is an apocalyptic number.

It is an amenable number.

671341396 is a deficient number, since it is larger than the sum of its proper divisors (620020774).

671341396 is a wasteful number, since it uses less digits than its factorization.

671341396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387095 (or 1387082 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 671341396 is about 25910.2565792004. The cubic root of 671341396 is about 875.6175867447.

The spelling of 671341396 in words is "six hundred seventy-one million, three hundred forty-one thousand, three hundred ninety-six".